Home / 12,553.38-17,324.19-7,516.62

Finding the Fourth Proportional to 12,553.38, 17,324.19 and 7,516.62

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Solution

The fourth proportional to 12,553.38, 17,324.19 and 7,516.62 is: 10,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.38 : 17,324.19 = 7,516.62 : x
  2. Step 2: Convert to fraction form
    12,553.38/17,324.19 = 7,516.62/x
  3. Step 3: Cross multiply
    12,553.38x = 17,324.19 × 7,516.62
  4. Step 4: Simplify right side
    12,553.38x = 130,219,353.04
  5. Step 5: Solve for x
    x = 130,219,353.04/12,553.38
  6. Step 6: Final answer
    x = 10,373.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.